Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 04:58

General

  • Target
    2026-10-28_4dd1ee979bd4d50cee88c313e3fa9e02_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261030-fl23bsdc59
  • SHA256 372d9d336044f9d6674d019b14673f84559ef0d74a45a14d15b1c899a4039f9c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stormser, StormDDoS, StormAttack, Stormer

    Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.

  • Detects Stormser aka Storm DDoS and StormAttack 32 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 32 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 11 IoCs
  • Drops file in Windows directory 11 IoCs
  • Executes a command shell one-liner 1 TTPs 11 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-28_4dd1ee979bd4d50cee88c313e3fa9e02_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_4dd1ee979bd4d50cee88c313e3fa9e02_elex_remcos_wannacry.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Windows\{C7CB545B-77DF-4c40-A26E-FD1941496419}.exe
      C:\Windows\{C7CB545B-77DF-4c40-A26E-FD1941496419}.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Windows\{B4CF9ACB-E61A-49bc-92B1-7C89F48B546A}.exe
        C:\Windows\{B4CF9ACB-E61A-49bc-92B1-7C89F48B546A}.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1676
        • C:\Windows\{552EDC5F-5DA3-4764-9BEA-0716A27FB2CF}.exe
          C:\Windows\{552EDC5F-5DA3-4764-9BEA-0716A27FB2CF}.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:624
          • C:\Windows\{BBBCB157-F556-42e6-ACB4-92C3FA5C89B1}.exe
            C:\Windows\{BBBCB157-F556-42e6-ACB4-92C3FA5C89B1}.exe
            5⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2224
            • C:\Windows\{76D09A19-3F4D-4875-95D9-FDDEEA9FA8EC}.exe
              C:\Windows\{76D09A19-3F4D-4875-95D9-FDDEEA9FA8EC}.exe
              6⤵
              • Boot or Logon Autostart Execution: Active Setup
              • Executes dropped EXE
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:552
              • C:\Windows\{E2130501-8069-4bff-A0D1-5DA3569FC06A}.exe
                C:\Windows\{E2130501-8069-4bff-A0D1-5DA3569FC06A}.exe
                7⤵
                • Boot or Logon Autostart Execution: Active Setup
                • Executes dropped EXE
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2488
                • C:\Windows\{0636EEB6-1D5F-4427-898B-44809BACEAEB}.exe
                  C:\Windows\{0636EEB6-1D5F-4427-898B-44809BACEAEB}.exe
                  8⤵
                  • Boot or Logon Autostart Execution: Active Setup
                  • Executes dropped EXE
                  • Drops file in Windows directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:996
                  • C:\Windows\{BBDC93AC-3F41-490a-83CD-EE2AABF59633}.exe
                    C:\Windows\{BBDC93AC-3F41-490a-83CD-EE2AABF59633}.exe
                    9⤵
                    • Boot or Logon Autostart Execution: Active Setup
                    • Executes dropped EXE
                    • Drops file in Windows directory
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:3384
                    • C:\Windows\{D26756E4-2F6A-4fb6-B368-CB7916AA2A85}.exe
                      C:\Windows\{D26756E4-2F6A-4fb6-B368-CB7916AA2A85}.exe
                      10⤵
                      • Boot or Logon Autostart Execution: Active Setup
                      • Executes dropped EXE
                      • Drops file in Windows directory
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:2164
                      • C:\Windows\{A5695E0E-19D8-4967-BC77-529729DD5890}.exe
                        C:\Windows\{A5695E0E-19D8-4967-BC77-529729DD5890}.exe
                        11⤵
                        • Boot or Logon Autostart Execution: Active Setup
                        • Executes dropped EXE
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:3236
                        • C:\Windows\{CE2E3911-8C1F-4542-9683-1EF34474C1FB}.exe
                          C:\Windows\{CE2E3911-8C1F-4542-9683-1EF34474C1FB}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4656
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{A5695~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5004
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{D2675~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3180
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{BBDC9~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1684
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{0636E~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2976
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{E2130~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4432
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{76D09~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:556
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{BBBCB~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1092
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{552ED~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4540
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{B4CF9~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4124
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{C7CB5~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2316
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4428

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {0636EEB6-1D5F-4427-898B-44809BACEAEB}.exe

        • Path C:\Windows\{0636EEB6-1D5F-4427-898B-44809BACEAEB}.exe
        • Size 64KB
        • SHA256 12cb871e8aeb5b8306c014a579270aee688bd59fba4747a39bfc57a5ee82d39a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {552EDC5F-5DA3-4764-9BEA-0716A27FB2CF}.exe

        • Path C:\Windows\{552EDC5F-5DA3-4764-9BEA-0716A27FB2CF}.exe
        • Size 64KB
        • SHA256 d00db8c44004bf0564c3580ce80ebc5699c6015cc35cea88f17b573a8b4b087f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {76D09A19-3F4D-4875-95D9-FDDEEA9FA8EC}.exe

        • Path C:\Windows\{76D09A19-3F4D-4875-95D9-FDDEEA9FA8EC}.exe
        • Size 64KB
        • SHA256 7d46fee517c6bf7fb482c5fa0142774957fcb0e48d5ccfe9742b089360b9a87f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A5695E0E-19D8-4967-BC77-529729DD5890}.exe

        • Path C:\Windows\{A5695E0E-19D8-4967-BC77-529729DD5890}.exe
        • Size 64KB
        • SHA256 d8de8ca65fb0037e6df72752fbd4942399790f9a1e455eb87a170bb600eaa787
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B4CF9ACB-E61A-49bc-92B1-7C89F48B546A}.exe

        • Path C:\Windows\{B4CF9ACB-E61A-49bc-92B1-7C89F48B546A}.exe
        • Size 64KB
        • SHA256 69afa42a2216eb0bab979a2d203f0b5afecb10183c6f58f5278bb886c084bea5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BBBCB157-F556-42e6-ACB4-92C3FA5C89B1}.exe

        • Path C:\Windows\{BBBCB157-F556-42e6-ACB4-92C3FA5C89B1}.exe
        • Size 64KB
        • SHA256 3bac4c010dd9f744afae6014b02385400d96071e5b8a5fd5a4b81744bffa7c1f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BBDC93AC-3F41-490a-83CD-EE2AABF59633}.exe

        • Path C:\Windows\{BBDC93AC-3F41-490a-83CD-EE2AABF59633}.exe
        • Size 64KB
        • SHA256 9c05f66698d3a18cae4f4239c01173d0ecfea01d99c28ad4ce0eeb6955ed97da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C7CB545B-77DF-4c40-A26E-FD1941496419}.exe

        • Path C:\Windows\{C7CB545B-77DF-4c40-A26E-FD1941496419}.exe
        • Size 64KB
        • SHA256 b9a1ab4f86b6fd578f062686bf35c37ae861304c44c11407d7dad1333411f10d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CE2E3911-8C1F-4542-9683-1EF34474C1FB}.exe

        • Path C:\Windows\{CE2E3911-8C1F-4542-9683-1EF34474C1FB}.exe
        • Size 64KB
        • SHA256 78b0b68bc05eaad682c34cf19552ff0e03595d481d17f60ab7df022e79a6a9d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D26756E4-2F6A-4fb6-B368-CB7916AA2A85}.exe

        • Path C:\Windows\{D26756E4-2F6A-4fb6-B368-CB7916AA2A85}.exe
        • Size 64KB
        • SHA256 0547dcdb728f54657c8129c4cdb5fcc0d20a64cfadec878175de4c280e5e56e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E2130501-8069-4bff-A0D1-5DA3569FC06A}.exe

        • Path C:\Windows\{E2130501-8069-4bff-A0D1-5DA3569FC06A}.exe
        • Size 64KB
        • SHA256 035a648132975475bf2d6043db0cc4774c8c21c0ca2b6290faaf149036b4de1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/552-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/552-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/624-18-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/624-23-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/640-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/640-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/640-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/672-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/672-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/672-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/996-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/996-46-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1676-17-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2164-52-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2164-58-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2224-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2488-39-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3236-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3236-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3384-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3384-51-0x0000000000400000-0x0000000000410000-memory.dmp